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131396036 = 2232849009
BaseRepresentation
bin1111101010011…
…11000111000100
3100011020121110212
413311033013010
5232114133121
621012134552
73153563552
oct765170704
9304217425
10131396036
1168195872
1238007458
13212b7045
1413644bd2
15b80725b
hex7d4f1c4

131396036 has 6 divisors (see below), whose sum is σ = 229943070. Its totient is φ = 65698016.

The previous prime is 131395997. The next prime is 131396047. The reversal of 131396036 is 630693131.

It can be written as a sum of positive squares in only one way, i.e., 127554436 + 3841600 = 11294^2 + 1960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131395993 and 131396011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16424501 + ... + 16424508.

It is an arithmetic number, because the mean of its divisors is an integer number (38323845).

Almost surely, 2131396036 is an apocalyptic number.

It is an amenable number.

131396036 is a deficient number, since it is larger than the sum of its proper divisors (98547034).

131396036 is a wasteful number, since it uses less digits than its factorization.

131396036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32849013 (or 32849011 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 131396036 is about 11462.8109990525. The cubic root of 131396036 is about 508.3865916668.

The spelling of 131396036 in words is "one hundred thirty-one million, three hundred ninety-six thousand, thirty-six".

Divisors: 1 2 4 32849009 65698018 131396036